/*
 * Copyright 2011, David George, Licensed under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package org.magneato.utils.parsers;

import java.util.ArrayList;
import java.util.List;

import org.xml.sax.Attributes;
import org.xml.sax.SAXException;

/**
 * Discover any attributes marked with isFacet tag in template files
 * 
 * attributes: isFacet - it is a facet, true - index, false don't index?
 * 
 * @author David B George
 */
public class FacetParser extends org.xml.sax.helpers.DefaultHandler {
	private ArrayList<String> facets;

	public void startElement(String uri, String localName, String qName,
			Attributes attributes) throws SAXException {
		for (int i = 0; i < attributes.getLength(); i++) {

			if ("isFacet".equalsIgnoreCase(attributes.getLocalName(i))
					&& "true".equalsIgnoreCase(attributes.getValue(i))) {
				if (facets == null) {
					facets = new ArrayList<String>();
				}
				facets.add(qName);
			}
		}// for
	}

	public List<String> getFacetList() {
		return facets;
	}
}
